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thunderbolt: Fix setting the CNS bit in ROUTER_CS_5
commit ec4d82f855ce332de26fe080892483de98cc1a19 upstream.
The bit 23, CM TBT3 Not Supported (CNS), in ROUTER_CS_5 indicates
whether a USB4 Connection Manager is TBT3-Compatible and should be:
0b for TBT3-Compatible
1b for Not TBT3-Compatible
Fixes: b04079837b
("thunderbolt: Add initial support for USB4")
Cc: stable@vger.kernel.org
Signed-off-by: Mohammad Rahimi <rahimi.mhmmd@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
65ac3a4fee
commit
e5643b23cb
2 changed files with 2 additions and 2 deletions
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@ -203,7 +203,7 @@ struct tb_regs_switch_header {
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#define ROUTER_CS_5_WOP BIT(1)
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#define ROUTER_CS_5_WOU BIT(2)
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#define ROUTER_CS_5_WOD BIT(3)
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#define ROUTER_CS_5_C3S BIT(23)
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#define ROUTER_CS_5_CNS BIT(23)
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#define ROUTER_CS_5_PTO BIT(24)
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#define ROUTER_CS_5_UTO BIT(25)
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#define ROUTER_CS_5_HCO BIT(26)
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@ -290,7 +290,7 @@ int usb4_switch_setup(struct tb_switch *sw)
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}
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/* TBT3 supported by the CM */
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val |= ROUTER_CS_5_C3S;
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val &= ~ROUTER_CS_5_CNS;
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return tb_sw_write(sw, &val, TB_CFG_SWITCH, ROUTER_CS_5, 1);
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}
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